linux/drivers/ata/pata_rdc.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  pata_rdc		-	Driver for later RDC PATA controllers
 *
 *  This is actually a driver for hardware meeting
 *  INCITS 370-2004 (1510D): ATA Host Adapter Standards
 *
 *  Based on ata_piix.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gfp.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <linux/dmi.h>

#define DRV_NAME …
#define DRV_VERSION …

struct rdc_host_priv { … };

/**
 *	rdc_pata_cable_detect - Probe host controller cable detect info
 *	@ap: Port for which cable detect info is desired
 *
 *	Read 80c cable indicator from ATA PCI device's PCI config
 *	register.  This register is normally set by firmware (BIOS).
 *
 *	LOCKING:
 *	None (inherited from caller).
 */

static int rdc_pata_cable_detect(struct ata_port *ap)
{ … }

/**
 *	rdc_pata_prereset - prereset for PATA host controller
 *	@link: Target link
 *	@deadline: deadline jiffies for the operation
 *
 *	LOCKING:
 *	None (inherited from caller).
 */
static int rdc_pata_prereset(struct ata_link *link, unsigned long deadline)
{ … }

static DEFINE_SPINLOCK(rdc_lock);

/**
 *	rdc_set_piomode - Initialize host controller PATA PIO timings
 *	@ap: Port whose timings we are configuring
 *	@adev: um
 *
 *	Set PIO mode for device, in host controller PCI config space.
 *
 *	LOCKING:
 *	None (inherited from caller).
 */

static void rdc_set_piomode(struct ata_port *ap, struct ata_device *adev)
{ … }

/**
 *	rdc_set_dmamode - Initialize host controller PATA PIO timings
 *	@ap: Port whose timings we are configuring
 *	@adev: Drive in question
 *
 *	Set UDMA mode for device, in host controller PCI config space.
 *
 *	LOCKING:
 *	None (inherited from caller).
 */

static void rdc_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{ … }

static struct ata_port_operations rdc_pata_ops = …;

static const struct ata_port_info rdc_port_info = …;

static const struct scsi_host_template rdc_sht = …;

/**
 *	rdc_init_one - Register PIIX ATA PCI device with kernel services
 *	@pdev: PCI device to register
 *	@ent: Entry in rdc_pci_tbl matching with @pdev
 *
 *	Called from kernel PCI layer.  We probe for combined mode (sigh),
 *	and then hand over control to libata, for it to do the rest.
 *
 *	LOCKING:
 *	Inherited from PCI layer (may sleep).
 *
 *	RETURNS:
 *	Zero on success, or -ERRNO value.
 */

static int rdc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{ … }

static void rdc_remove_one(struct pci_dev *pdev)
{ … }

static const struct pci_device_id rdc_pci_tbl[] = …;

static struct pci_driver rdc_pci_driver = …;


module_pci_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(pci, rdc_pci_tbl);
MODULE_VERSION(…);